Base | Representation |
---|---|
bin | 110010000011… |
… | …101001100111 |
3 | 220200200012121 |
4 | 302003221213 |
5 | 11324402101 |
6 | 1145130411 |
7 | 216352000 |
oct | 62035147 |
9 | 26620177 |
10 | 13122151 |
11 | 7452959 |
12 | 4489a07 |
13 | 29459b3 |
14 | 1a581a7 |
15 | 12430a1 |
hex | c83a67 |
13122151 has 16 divisors (see below), whose sum is σ = 15558400. Its totient is φ = 11060280.
The previous prime is 13122133. The next prime is 13122157. The reversal of 13122151 is 15122131.
13122151 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13122151 - 25 = 13122119 is a prime.
It is a Duffinian number.
13122151 is strictly pandigital in base 8.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13122157) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22696 + ... + 23266.
It is an arithmetic number, because the mean of its divisors is an integer number (972400).
Almost surely, 213122151 is an apocalyptic number.
13122151 is a deficient number, since it is larger than the sum of its proper divisors (2436249).
13122151 is an frugal number, since it uses more digits than its factorization.
13122151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 659 (or 645 counting only the distinct ones).
The product of its digits is 60, while the sum is 16.
The square root of 13122151 is about 3622.4509658517. The cubic root of 13122151 is about 235.8676302123.
Adding to 13122151 its reverse (15122131), we get a palindrome (28244282).
The spelling of 13122151 in words is "thirteen million, one hundred twenty-two thousand, one hundred fifty-one".
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